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Mathematics, 27.01.2021 22:20 garciagang0630

A binary operation (+)is defined on the set R of real numbers by a(+)b=a2+b2 -ab for all a, b,e, r solve the equation 4(+)a=28

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A binary operation (+)is defined on the set R of real numbers by a(+)b=a2+b2 -ab for all a, b,e, r s...
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